For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningDefinition of Danger, Warning, Caution, and Note
The diagnosis and repair procedures in a GM Service Manual contain both
general and specific Dangers, Warnings, Cautions, Notes or
Importants. GM is dedicated to the presentation of service information that
helps the technician to diagnose and repair the systems
necessary for the proper operat ...
Thread Inserts
General Purpose Thread Repair Kits.
These kits are available commercially.
Repair Procedure
Warning: Refer to Safety Glasses Warning in the Preface section.
Note: Refer to the thread repair kit manufacturer's instructions
regarding the size of the drill and tap to use. Avoid any buildup ...
Air Conditioning Compressor and Condenser Hose Replacement (1.6L LXT)
Removal Procedure
Recover the refrigerant. Refer to Refrigerant Rec overy and
Recharging.
Remove front bumper fascia. Refer to Front Bumper Fascia Replacement.
Remove A/C compressor and condenser hose nut (1) from A/C condensor (2).
Remove A/C compressor and ...